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Contender CTN12-12NB Battery Replacement
Contender CTN12-12NB Battery Replacement - 12V 15Ah AGM SLA
Advanced AGM Battery Technology
Superior construction engineered for reliability and extended performance:
- Extra-large negative lead plates for 20% longer cycle life
- Enhanced deep discharge recovery technology
- True AGM sealed design - maintenance-free operation
- High-vibration resistance for equipment applications
- 190 CCA for reliable starting power
- Premium nut & bolt terminals with included hardware
- Ships charged and ready for immediate installation
Perfect Compatibility Guarantee
A direct replacement for Contender CTN12-12NB with identical specifications:
| Specification | Original CTN12-12NB | EP-SLA12-15B1 Replacement |
|---|---|---|
| Voltage | 12V | 12V ✓ |
| Capacity | 12Ah | 15Ah ✓ |
| Dimensions | 5.95" x 3.86" x 3.94" | 5.95" x 3.86" x 3.94" ✓ |
| Terminal Type | Nut & Bolt (NB) | Nut & Bolt (NB) ✓ |
| Weight | ~9.25 lbs | 9.25 lbs ✓ |
EP-SLA12-15B1 vs. Standard Replacement Batteries
| Feature | EP-SLA12-15B1 Enhanced | Standard Replacements |
|---|---|---|
| Cycle Life | 20% Longer (Enhanced Plates) | Standard cycle life |
| Discharge Recovery | Enhanced Deep Recovery | Basic recovery capability |
| Starting Power | 190 CCA | Variable/unspecified |
| Construction | True AGM Technology | Standard SLA construction |
| Vibration Resistance | High-Vibration Design | Basic vibration tolerance |
| Shipping Condition | Charged & Ready | May require charging |
Common Applications
Technical Specifications
| EP-SLA12-15B1 Replacement Battery Specifications | |
|---|---|
| Model Number | EP-SLA12-15B1 |
| Replaces | Contender CTN12-12NB |
| Voltage | 12 Volts |
| Capacity | 15 Amp Hours (Ah) |
| Cold Cranking Amps (CCA) | 190 CCA |
| Terminal Type | Nut & Bolt (NB) |
| Length | 5.95 inches |
| Width | 3.86 inches |
| Height (with terminals) | 3.94 inches |
| Weight | 9.25 lbs |
| Technology | AGM (Absorbed Glass Mat) |
| Construction | Sealed, Maintenance-Free |
| Manufacturer | Origin Battery |
| Warranty | 1-Year Free Replacement |
Charging Instructions & Care
- Recommended Charge Rate: 2 Amps at 12 Volts
- Charging Time: About 7.5 hours with a 2-amp charger (15Ah ÷ 2A = 7.5 hours)
- Best Practice: Use automatic charger with shut-off function
- Maintenance: None required - sealed AGM design
- Storage: Keep charged when not in use for extended periods
Installation & Setup
- Ready to Install: Ships charged and ready for immediate use
- Hardware Included: New nut & bolt terminal hardware provided
- Installation: Use included hardware for secure connections
- Compatibility: The perfect drop-in replacement for CTN12-12NB
- No Activation: Pre-charged and ready to go
Frequently Asked Questions
Will this battery fit exactly like my Contender CTN12-12NB?
Yes, the EP-SLA12-15B1 is manufactured to exactly match the Contender CTN12-12NB dimensions and terminal configuration. It's a 100% compatible drop-in replacement that will fit perfectly in your existing battery compartment.
What makes this replacement better than the original?
Our replacement features extra-large negative lead plates that provide 20% longer cycle life compared to standard batteries. This battery is 15 amp hours vs the 12AH standard replacements, featuring premium nut and bolt terminals with enhanced deep discharge recovery and true AGM technology offer superior performance and reliability.
How long will this battery last in my mower?
With proper care and charging, you should expect 3-5 years of reliable service in typical lawn mower applications. The enhanced construction provides 20% longer cycle life compared to standard replacement batteries.
Do I need to charge the battery before first use?
No, the battery ships charged and ready for immediate installation. However, if it's been stored for extended periods before installation, a brief top-off charge is recommended for the best performance.
What's covered under the 1-year warranty?
Our warranty covers manufacturing defects and premature failure from the delivery date. If your battery fails within one year due to defects, we'll provide a free replacement at no charge to you!
Don't settle for a basic replacement. upgrade to an enhanced performance with 20% longer life and 1-year warranty protection. Ships charged and ready to install!
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